Overview
The LM124AJRLQMLV is a low power quad operational amplifier produced by National Semiconductor, now part of Texas Instruments. This device is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. It features four independent, high-gain, internally frequency-compensated operational amplifiers. The LM124AJRLQMLV is particularly useful in systems where power efficiency and simplicity are crucial, such as in battery-operated devices and single-supply systems.
Key Specifications
| Parameter | Min | Max | Unit | Conditions |
|---|---|---|---|---|
| Power Supply Voltage | 3 | 32 | Vdc (Single Supply) | - |
| Power Supply Voltage | ±1.5 | ±16 | Vdc (Dual Supplies) | - |
| Input Offset Voltage | -2 | 2 | mV | VCC+ = 5V, VCC- = Gnd, VCM = +1.4V |
| Input Bias Current | -10 | 10 | nA | VCC+ = 30V, VCC- = Gnd, VCM = +15V |
| Power Supply Current | 1.2 | 4.0 | mA | V+ = 5V to 30V |
| Bandwidth (Unity Gain) | 1 | - | MHz | - |
| DC Voltage Gain | 100 | - | dB | - |
| Operating Temperature Range | -55 | +125 | °C | - |
Key Features
- Internally frequency compensated for unity gain.
- Large output voltage swing: 0V to V+ - 1.5V.
- Wide power supply range: single supply 3V to 32V, or dual supplies ±1.5V to ±16V.
- Very low supply current drain (700 μA), essentially independent of supply voltage.
- Low input biasing current (45 nA) and low input offset voltage (2 mV).
- Input common-mode voltage range includes ground.
- Compatible with all forms of logic and suitable for battery operation.
- Available with radiation specification: ELDRS free 100 krad(Si).
Applications
- Transducer amplifiers.
- DC gain blocks.
- Conventional op-amp circuits in single-supply systems.
- Interface electronics in digital systems.
- Battery-operated devices.
- Radiation-hardened applications.
Q & A
- What is the power supply voltage range for the LM124AJRLQMLV?
The LM124AJRLQMLV can operate from a single power supply of 3V to 32V or from dual supplies of ±1.5V to ±16V.
- What is the typical power supply current drain of the LM124AJRLQMLV?
The typical power supply current drain is 700 μA, which is essentially independent of the supply voltage.
- What is the input offset voltage of the LM124AJRLQMLV?
The input offset voltage is typically 2 mV.
- Can the LM124AJRLQMLV operate in radiation-hardened environments?
- What is the bandwidth of the LM124AJRLQMLV at unity gain?
The bandwidth at unity gain is 1 MHz.
- What is the DC voltage gain of the LM124AJRLQMLV?
The DC voltage gain is 100 dB.
- What is the operating temperature range of the LM124AJRLQMLV?
The operating temperature range is -55°C to +125°C.
- Can the LM124AJRLQMLV be used in battery-operated devices?
- What are some common applications of the LM124AJRLQMLV?
- Is the LM124AJRLQMLV compatible with digital logic systems?
